--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/securitydialogs/lockapp/inc/lockappobserverlist.h Tue Jan 26 15:20:08 2010 +0200
@@ -0,0 +1,99 @@
+/*
+* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Controls observers and publishes state changes
+ *
+*/
+
+
+#ifndef __LOCKAPPOBSERVERLIST_H__
+#define __LOCKAPPOBSERVERLIST_H__
+
+// INCLUDES
+#include <coecntrl.h>
+#include "lockapp.hrh"
+
+// FORWARD DECLARATIONS
+class MLockAppStateObserver;
+
+/**
+ * CLockAppObserverList class publishes lock state changes to all implemented state
+ * observers. The list owns all childs and it is responsible for deleting them.
+ *
+ * @lib lockapp
+ * @since 5.0
+ * @author Joona Petrell
+ * @author Tamas Koteles
+ */
+class CLockAppObserverList : public CCoeControl
+ {
+ public:
+
+ /**
+ * C++ default constructor.
+ */
+ CLockAppObserverList( );
+
+ /**
+ * Destructor.
+ */
+ virtual ~CLockAppObserverList( );
+
+ public:
+
+ /**
+ * Add new state observer.
+ * @param aObserver lock state observer
+ */
+ void AddObserverL( MLockAppStateObserver* aObserver );
+
+ /**
+ * Remove lock state observer.
+ * @param aObserver lock state observer
+ */
+ void RemoveObserver( MLockAppStateObserver* aObserver );
+
+ protected:
+
+ /**
+ * Has to be called by the derived class in the construction.
+ */
+ void BaseConstructL( );
+
+ /**
+ * Informs all observers about the status change.
+ *
+ * @param aStatusChange the new lock state.
+ */
+ void PostStatusChangeL( TLockStatus aStatusChange );
+
+ /**
+ * Class that derives from observer list will have first
+ * notification about the lock status chane.
+ *
+ * @param aLockStatus the new lock state.
+ */
+ virtual void HandleLockStatusChangedL( TLockStatus aLockStatus );
+
+ private:
+
+ /**
+ * Dynamic list storing observers. Both the list and observers are owned.
+ * Own.
+ */
+ RPointerArray<MLockAppStateObserver>* iObserverList;
+
+ };
+
+#endif // __LOCKAPPOBSERVERLIST_H__
+// End of File